OK. Take a deep breath. I just did. Because on opening my notebook to begin trying to make sense of this amazing one-day Symposium in London, I have discovered that I took 32 pages of notes. And I didn’t even get everything down. Yes it was packed with intellectual stimulation, organized by the exciting CauseHealth people, in collaboration with the ESPCH, who are all very brainy and who are exploring a field so fascinating, far-reaching and multi-layered that it’s not easy to even define. There was politics, philosophy, taxonomy, research, education, neurology, psychology, croissants. What’s not to like? So prepare yourself. As blogs go, this is a long one.